This is the Clutch Bell with Washer and E-Clip for the Revo.
FEATURES:Metal constructionFive cooling holes on the face of bell (bellow the teeth)
INCLUDES:One clutch bellTwo teflon washerTwo e-clip
REQUIRES:This clutch bell uses different bearings than the 15T or 16T bell, you will need 5X10mm ball bearings TRA4609.
SPECS:Diameter at the base: 15/16" (24mm)Height: 11/16" (17mm)Teeth: 14